Congratulations to Liwei Group for obtaining 7 new patent authorizations


In March 2021, Liwei Group obtained 7 new patent authorizations, taking another step on the path of adhering to scientific research and innovation.

The newly added patents are as follows:

1. An oxygenation system for aquaculture

2. A livestock farm conservation system

3. A feed conveying line and system

4. A permanent magnet external rotor aerator

5. A water-cooled permanent magnet motor

6. An opening adjustment mechanism and food trough

7. Horizontal pressure bearing system